API UseAction

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Perform the action in the specified action slot.

UseAction(slot[, checkCursor[, onSelf]])

Arguments

slot 
Number - The action action slot to use.
checkCursor 
Flag (optional) - Can be 0, 1, or nil. Appears to indicate whether the action button was clicked (1) or used via hotkey (0); probably involved in placing skills/items in the action bar after they've been picked up. I can confirm this. If you pass 0 for checkCursor, it will use the action regardless of whether another item/skill is on the cursor. If you pass 1 for checkCursor, it will replace the spell/action on the slot with the new one.
onSelf 
Flag (optional) - Can be 0, 1, or nil. If present and 1, then the action is performed on the player, not the target. If "true" is passed instead of 1, Blizzard produces a Lua error.

Patch history

The Burning Crusade Patch 2.0.1 (2006-12-05): Protected.

See also